Sendblue Alternatives

Enable SMS conversations with Slack+Twilio

2-way chat with your customers over SMS and FB Messenger

Open Source

The #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder.

Visit website paid $19.5 / Monthly (Pro)

Spike is an incident management platform that alerts via slack, phone and email and automatic escalations to help teams fix infrastructure problems.

paid Free Trial $7.0 / Monthly (No cap on services and incidents)

A marketplace where local telecom companies can publish numbers, developers can build voice, video, and chat solutions.

Open Source

All in one business texting tool to send personalized alerts, promotions, reminders, short links and marketing campaigns, for any SMEs (hotels, restaurants, education, non profits, Woocommerce, banks, healthcare, agencies, supermarkets, weddings)

freemium

Clerk.io, the artificial intelligence for e-commerce that knows your customers interests.

Open Source

Text messaging for your business.

Maps are auto-generated, self-updating code diagrams.

SuperDMs helps you grow your following by sending bulk DMs to your tweet responders.

LoopMessage is a perfect macOS tool for personalized mass messaging via iMessage/SMS, WhatsApp, Facebook Messenger, Telegram, Viber, and Skype.

freemium $20.99 / Monthly (Full access)

Send personalized mass messages easily

The Slack bot for external communications

Seamless meetings, online scheduling, video calls & payments